Ark Survival Evolved update 2.78 was released today for PS4, Xbox One, and PC. You can get the complete patch notes from here.
This patch brings in the free DLC, Fjordur. It will introduce a new archipelago to the game which is a part of the new official community map. This patch also implements a number of bug fixes to the game. The update is out now on all the major platforms, as for the patch notes, you can read them below.